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Product Detailed Parameters
- Description：IC REG BUCK ADJ 6A 20VQFN
- Series：H³®
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：7.5V
- Voltage - Input (Max)：18V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：5.5V
- Current - Output：6A
- Frequency - Switching：500kHz ~ 800kHz
- Synchronous Rectifier：Yes
- Operating Temperature：-20°C ~ 100°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-VFQFN Exposed Pad
- Supplier Device Package：VQFN020V4040
- Grade：-
- Qualification：-
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Overview
The BD95861MUV-E2 is a single-channel synchronous buck DC/DC converter manufactured by ROHM Semiconductor. It operates with an input voltage range of 7.5 V to 18 V and delivers a maximum output current of 6 A. The adjustable output voltage spans from 0.8 V to 5.5 V. The device utilizes H3Ctrl™ constant time control mode, allowing for high switching frequencies between 350 kHz and 800 kHz without requiring phase compensation components. It features integrated N-MOSFETs, soft-start functionality, Power Good indication, and protection circuits including short-circuit output and overvoltage protection with timer lock. The component is housed in a VQFNV4040-EP-24 package and supports operation temperatures from -20°C to +100°C.
Feature Summary
- Integrates N-MOSFETs for space-saving synchronous rectification
- Utilizes H3Ctrl™ constant time control for rapid transient response
- Includes built-in protection against short circuits and overvoltage
Applications
- Power supply units for digital AV equipment
- System power management in consumer electronics
- General-purpose low-inductance step-down regulation
Procurement Notes
Verify the specific suffix E2 indicates RoHS compliance and lead-free status as per manufacturer documentation. Confirm the VQFNV4040-EP-24 package variant matches design requirements. Check for any regional distribution restrictions or discontinuance notices directly from ROHM Semiconductor before finalizing procurement plans.
Selection Notes
Select this component when a single channel capable of delivering up to 6 A is required within a 7.5 V to 18 V input window. The H3Ctrl™ technology eliminates the need for external phase compensation, simplifying layout. Ensure thermal management accounts for the 4.0x4.0 mm exposed pad package dimensions and the specified operating temperature range.
Part Context
This part belongs to the BD95861MUV series of integrated MOSFET DC-DC converters. These devices are designed for applications demanding high efficiency and fast transient response in compact form factors. The series leverages ROHM's proprietary control method to optimize performance under varying load conditions while maintaining stability without complex external compensation networks.
Replacement Considerations
The base model BD95861MUV serves as the non-RoHS equivalent. For alternative current ratings within the same topology, consider the BD95841MUV-E2 (4 A) or BD95860MUV-E2 (discontinued). Verify pin compatibility and thermal characteristics when substituting.
